<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="redirect.do" method="post">
    搜索：<input type="text" name="search" placeholder="请输入"/>
    <input type="submit" value="Search">
</form>
</body>
</html>